<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            position: absolute;
            margin: auto;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: #262c34;
            transform: rotate(90deg) scale(0.3);
        }

        .box>div {
            width: 100px;
            height: 300px;
            border-radius: 50%;
            border: 5px solid #7ad1ee;
            position: absolute;
            margin: auto;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
        }

        .box>div:nth-child(1) {
            transform: rotate(120deg);
        }

        .box>div:nth-child(2) {
            transform: rotate(240deg);
        }

        .box::after {
            content: '';
            position: absolute;
            margin: auto;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #7ad1ee;
        }
    </style>
</head>

<body>
    <div class="box">
        <div></div>
        <div></div>
        <div></div>
    </div>
</body>

</html>